#!/bin/bash
# Slackware build script for libjxl

# Copyright 2022 Vijay Marcel
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=libjxl
VERSION=${VERSION:-20220923_7c0ce23}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}
GITNAM=${GITNAM:-7c0ce231165db47a6a065e01afd7d5083e8605a6}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e
trap 'echo "$0 FAILED at line $LINENO!" | tee -a $OUTPUT/error-${PRGNAM}.log' ERR

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
rm -rf $PRGNAM-$GITNAM
tar xvf $CWD/$PRGNAM-$GITNAM.tar.gz
cd $PRGNAM-$GITNAM
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

export LDFLAGS="-lpthread"

cmake  -B build -S $TMP/$PRGNAM-$GITNAM \
        -DBUILD_TESTING:BOOL='false' \
        -DCMAKE_EXE_LINKER_FLAGS:STRING="${LDFLAGS}" \
        -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
        -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
        -DBUNDLE_LIBPNG_DEFAULT='NO' \
        -DCMAKE_BUILD_TYPE:STRING='Release' \
        -DCMAKE_INSTALL_PREFIX:PATH='/usr' \
        -DCMAKE_INSTALL_LIBDIR:PATH=/usr/lib${LIBDIRSUFFIX} \
        -DCMAKE_INSTALL_BINDIR:PATH=/usr/bin \
        -DJPEGXL_INSTALL_JARDIR='/usr/share/java' \
        -DBUILD_SHARED_LIBS:BOOL='true' \
        -DJPEGXL_ENABLE_DEVTOOLS:BOOL='false' \
        -DJPEGXL_ENABLE_SKCMS:BOOL='false' \
        -DJPEGXL_BUNDLE_SKCMS:BOOL='false' \
        -DJPEGXL_ENABLE_BENCHMARK:BOOL='false' \
        -DJPEGXL_ENABLE_EXAMPLES:BOOL='false' \
        -DJPEGXL_ENABLE_FUZZERS:BOOL='false' \
        -DJPEGXL_ENABLE_PLUGINS:BOOL='false' \
        -DJPEGXL_ENABLE_VIEWERS:BOOL='true' \
        -DJPEGXL_ENABLE_SIZELESS_VECTORS:BOOL='true' \
        -DJPEGXL_ENABLE_TCMALLOC:BOOL='true' \
        -DJPEGXL_FORCE_SYSTEM_BROTLI:BOOL='true' \
        -DJPEGXL_FORCE_SYSTEM_GTEST:BOOL='true' \
        -DJPEGXL_FORCE_SYSTEM_HWY:BOOL='true' \
        -DJPEGXL_FORCE_SYSTEM_LCMS2:BOOL='true' \
        -DJPEGXL_ENABLE_SJPEG:BOOL='false' \
        -DJPEGXL_STATIC:BOOL='false'

make -C build all doc
make -C build DESTDIR="$PKG" install
install -D -m755 build/tools/libjxl_jni.so -t "${PKG}/usr/lib64"

rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mv -v $PKG/usr/share/man $PKG/usr/man

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

find $PKG -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a  CHANGELOG.md CODE_OF_CONDUCT.md CONTRIBUTING.md CONTRIBUTORS LICENSE PATENTS README.md SECURITY.md $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
